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Design a three-port resistive divider for an equal power split and a 100 Ω system impedance. If port 3 is matched, calculate the change in output power at port 3 (in dB) when port 2 is connected first to a matched load, and then to a load having a mismatch of
It has been proposed that by placing an appropriately selected resistor across the line at a distance dmax from the load, where dmax is the distance from the load of a voltage maximum. Show that the proposed approach is valid and find the value of th..
An AM modulator operates with the message signal m(t) = 6cos(10πt) - 4sin(30πt) with unmodulated carrier: 50cos(30πt) and index of 0.1 Write the equation for mn(t) the normalized signal with minimum value of -1.
An embedded system with a 8 bit analog to digital converter is connected to a transducer with an output voltage of 20 millivolts. This signal is then amplified by an amplifier with a gain of 50. Assume that this signal level is appropriate for the..
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4A1011 S/mile, resistance (R) is 0.1 OHMS/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
but the K input of the second JK flip flop depends on the negated output of the first JK flip flop and x AND together. How to trace that when both JK flip flops depend on input from the other one
Let Y1 denote the number of married executives and Y2 denote the number of never-married executives among the three selected for promotion. Assuming that the three are randomly selected from the nine available, find the joint probability function ..
Derive the relationship between the voltage across the 1 resistor and the magnetic intensity, H. Hint: explore the relationship between magnetomotive force and magnetic intensity as discussed in the overview.
determine the current drawn from a 3 phase 220 V line by a 3 phase 15kW motor operating at half load, 85% efficiency and .8 pf lagging. Find the values of real and reactive power drawn from the line.
A 3 phase Y connected alternator is rated at 1600 KVA, 13500 V. The armature resistance and synchronous reactance are 1.5 ohms and 30 ohms respectively. Calculate the % voltage regulation for a load of 1280 KW at 0.8 leading power factor.
You've formed a band, despite advice to the contrary. Actually, the band is pretty good except for the fact that the lead singer (who owns the drum set, the microphones, and the garage where you practice) is a bit tone-deaf.
A battery E (e.m.f 12v and internal resistance 0.8 ohms) and a resistor R1 (10 ohms) are connected in series across two parallel resistors (R2 = 12 ohms, R3 = 18 ohms). i) Draw the circuit diagram, determine the battery terminal voltage.
Steam at 160 bar and 480oC enters a turbine operating at steady state with a volumetric flow rate of 800 m3/min. Eighteen percent of the entering mass flow exits at 5 bar, 240oC, with a velocity of 25 m/s.
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